{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Knee+Replacement+Arthroplasty&page=23",
    "query": {
      "condition": "Total Knee Replacement Arthroplasty",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 746,
    "total_pages": 75,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Knee+Replacement+Arthroplasty&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Total+Knee+Replacement+Arthroplasty&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-15T20:08:13.928Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT01459861",
      "title": "Early Ambulation After Adductor Canal Block for Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Canal Block and Capsular Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Femoral Nerve Block with Tibial Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Trinity Health Of New England",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 11,
      "start_date": "2011-10",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2013-03-06",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01459861"
    },
    {
      "nct_id": "NCT00541320",
      "title": "Phase IIa Venous Thromboembolism (VTE) Prevention Study In Total Knee Replacement (TKR)",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Venous Thromboembolism"
      ],
      "interventions": [
        {
          "name": "GW813893",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2007-02",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Yuba City, California + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Yuba City",
          "state": "California"
        },
        {
          "city": "St. Petersburg",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00541320"
    },
    {
      "nct_id": "NCT04749615",
      "title": "Does PAI Reduce Pain After TKA Among Knee Arthroplasty Patients Receiving ACB & IPACK?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Total Knee Athroplasty"
      ],
      "interventions": [
        {
          "name": "Periarticular Injection (PAI)",
          "type": "DRUG"
        },
        {
          "name": "Saline Control Periarticular Injection (PAI)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "25 Years to 80 Years"
      },
      "enrollment_count": 94,
      "start_date": "2020-12-17",
      "completion_date": "2022-07-01",
      "has_results": true,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04749615"
    },
    {
      "nct_id": "NCT06784882",
      "title": "Continuous Versus Single Injection Adductor Canal Blocks for Outpatient Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Postoperative Pain",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "continuous peripheral nerve block with OnQ pump",
          "type": "DEVICE"
        },
        {
          "name": "single injection nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-06-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-17",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06784882"
    },
    {
      "nct_id": "NCT03385759",
      "title": "Trial of Unicompartmental Versus Total Knee Arthroplasty",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteo Arthritis Knee"
      ],
      "interventions": [
        {
          "name": "Unicompartmental knee arthroplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "Total knee arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Anderson Orthopaedic Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 112,
      "start_date": "2018-05-22",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois • Alexandria, Virginia",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Alexandria",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03385759"
    },
    {
      "nct_id": "NCT02216682",
      "title": "Assessing the Efficacy of Intravenous Acetaminophen Versus the Oral Formulation for Perioperative Pain Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 174,
      "start_date": "2014-08",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02216682"
    },
    {
      "nct_id": "NCT02620631",
      "title": "Study to Examine Pain Relief With Supplemental Intrathecal Morphine in TKA Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 54,
      "start_date": "2011-03",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2015-12-03",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 1,
      "location_summary": "Stony Brook, New York",
      "locations": [
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02620631"
    },
    {
      "nct_id": "NCT05593341",
      "title": "Opioid Education in Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthropathy of Knee",
        "Post Operative Pain",
        "Opioid Use",
        "Opioid Abuse",
        "Opioid Misuse"
      ],
      "interventions": [
        {
          "name": "Opioid education in person",
          "type": "OTHER"
        },
        {
          "name": "Opioid education via video",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 42,
      "start_date": "2022-09-27",
      "completion_date": "2023-09-11",
      "has_results": false,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05593341"
    },
    {
      "nct_id": "NCT02820766",
      "title": "Journey II BCS CMS Total Knee System Compared to Other PS Total Knee Systems in PT Setting",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Osteoarthritis",
        "Degenerative Arthritis",
        "Traumatic Arthritis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Smith & Nephew, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2016-09",
      "completion_date": "2017-04-27",
      "has_results": false,
      "last_update_posted_date": "2017-08-10",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 3,
      "location_summary": "Annapolis, Maryland • Eugene, Oregon • State College, Pennsylvania",
      "locations": [
        {
          "city": "Annapolis",
          "state": "Maryland"
        },
        {
          "city": "Eugene",
          "state": "Oregon"
        },
        {
          "city": "State College",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02820766"
    },
    {
      "nct_id": "NCT01081886",
      "title": "PEAK PlasmaBlade 4.0 Versus Traditional Electrosurgery in Total Knee Replacement.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Degenerative Joint Disease",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "PEAK PlasmaBlade 4.0",
          "type": "DEVICE"
        },
        {
          "name": "Traditional Electrosurgery with scalpel",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Surgical Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 24,
      "start_date": "2010-06",
      "completion_date": "2011-09",
      "has_results": true,
      "last_update_posted_date": "2013-01-08",
      "last_synced_at": "2026-10-15T20:08:13.928Z",
      "location_count": 2,
      "location_summary": "Rochester Hills, Michigan • Arlington, Texas",
      "locations": [
        {
          "city": "Rochester Hills",
          "state": "Michigan"
        },
        {
          "city": "Arlington",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01081886"
    }
  ]
}